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Alerts This Week
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Red Hat Enterprise Linux: RHSA-2020:2146-01 Important: DoS in .NET Core

red hat
Calendar Grey May 13, 2020
Dist Redhat Esm H88
Essential security alert concerning .NET Core on RHEL highlights risk of denial of service flaws with significant consequences.
An update for rh-dotnet21-dotnet is now available for .NET Core on Red Hat Enterprise Linux 7

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Summary

.NET Core is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation.
New versions of .NET Core that address a security vulnerability are now available. The updated version is .NET Core Runtime 2.1.18 and SDK 2.1.514.
Security Fix(es):
* dotnet: Denial of service via untrusted input (CVE-2020-1108)
Default inclusions for applications built with .NET Core have been updated to reference the newest versions and their security fixes.
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Topics%20covered

Topics Covered

security advisory denial of service security fix important red hat enterprise dotnet core

References

https://access.redhat.com/security/cve/CVE-2020-1108 https://access.redhat.com/security/updates/classification/#important

Package List

.NET Core on Red Hat Enterprise Linux ComputeNode (v. 7):
Source: rh-dotnet21-2.1-17.el7.src.rpm rh-dotnet21-dotnet-2.1.514-2.el7.src.rpm
x86_64: rh-dotnet21-2.1-17.el7.x86_64.rpm rh-dotnet21-dotnet-2.1.514-2.el7.x86_64.rpm rh-dotnet21-dotnet-debuginfo-2.1.514-2.el7.x86_64.rpm rh-dotnet21-dotnet-host-2.1.18-2.el7.x86_64.rpm rh-dotnet21-dotnet-runtime-2.1-2.1.18-2.el7.x86_64.rpm rh-dotnet21-dotnet-sdk-2.1-2.1.514-2.el7.x86_64.rpm rh-dotnet21-dotnet-sdk-2.1.5xx-2.1.514-2.el7.x86_64.rpm rh-dotnet21-runtime-2.1-17.el7.x86_64.rpm
.NET Core on Red Hat Enterprise Linux Server (v. 7):
Source: rh-dotnet21-2.1-17.el7.src.rpm rh-dotnet21-dotnet-2.1.514-2.el7.src.rpm
x86_64: rh-dotnet21-2.1-17.el7.x86_64.rpm rh-dotnet21-dotnet-2.1.514-2.el7.x86_64.rpm rh-dotnet21-dotnet-debuginfo-2.1.514-2.el7.x86_64.rpm rh-dotnet21-dotnet-host-2.1.18-2.el7.x86_64.rpm rh-dotnet21-dotnet-runtime-2.1-2.1.18-2.el7.x86_64.rpm rh-dotnet21-dotnet-sdk-2.1-2.1.514-2.el7.x86_64.rpm rh-dotnet21-dotnet-sdk-2.1.5xx-2.1.514-2.el7.x86_64.rpm rh-dotnet21-runtime-2.1-17.el7.x86_64.rpm
.NET Core on Red Hat Enterprise Linux Workstation (v. 7):
Source: rh-dotnet21-2.1-17.el7.src.rpm rh-dotnet21-dotnet-2.1.514-2.el7.src.rpm
x86_64: rh-dotnet21-2.1-17.el7.x86_64.rpm rh-dotnet21-dotnet-2.1.514-2.el7.x86_64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:2146-01
Product: .NET Core on Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2146
Issue date: 2020-05-13

Topic

An update for rh-dotnet21-dotnet is now available for .NET Core on Red HatEnterprise Linux 7.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory denial of service security fix important red hat enterprise dotnet core

Relevant Releases Architectures

.NET Core on Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64

.NET Core on Red Hat Enterprise Linux Server (v. 7) - x86_64

.NET Core on Red Hat Enterprise Linux Workstation (v. 7) - x86_64

Bugs Fixed

1827643 - CVE-2020-1108 dotnet: Denial of service via untrusted input

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